The invention discloses a signal timing optimization method for a fixed phase sequence, and the method specifically comprises the following steps: S1, obtaining intersection parameters, and analyzing the release structure of each traffic flow; s2, initializing a timing scheme for the first time according to the minimum green constraint, and giving minimum green time to discontinuous phases of each traffic flow; s3, based on the traffic flow saturation and a secondary initialization timing scheme, selecting a proper phase to increase the green light time to meet the minimum green constraint during single operation of each traffic flow according to the continuous occurrence condition of each traffic flow; and S4, based on the expected saturation and the period duration, optimizing the phase duration. The method has the advantages of being clear in optimization direction, high in optimization speed and high in optimization benefit.
本发明公开一种针对固定相序的信号配时优化方法,所述方法具体包括以下步骤:S1、获取路口参数,解析各交通流的放行结构;S2、根据最小绿约束,首次初始化配时方案,并对各交通流不连续出现的相位赋予最小绿时间;S3、基于交通流饱和度,二次初始化配时方案,针对各交通流连续出现的情况,选择合适的相位增加绿灯时间以满足各交通流单次运行时的最小绿约束;S4、基于期望饱和度和周期时长,优化相位时长。本发明具备优化方向明确、优化速度快、优化收益高的优势。
Signal timing optimization method for fixed phase sequence
一种针对固定相序的信号配时优化方法
2024-05-17
Patent
Elektronische Ressource
Chinesisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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